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【简答题】
听对话,完成下列内容,每空格限填一词。 1.David is not going to play __________ today. 2.He is going to show his __________ new stamps to his friend. 3.David started collecting stamps since __________. 4.Mrs. Smith used to collect stamps and is still interested in the __________. 5.She invites David to her house to __________ their stamps. 6.She stopped collecting stamps about __________ years ago. 7.She still likes looking at the different stamps in her __________ time.
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A.
预防为主，奖惩结合
B.
预防为主，防治结合
C.
防治为主，奖惩结合
D.
处罚为主，奖励结合
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【单选题】Without friendship, one won’t be happy _____ he is very rich.
A.
if
B.
though
C.
even
D.
however
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A.
should; must
B.
might; wouldn't
C.
couldn't; must
D.
mustn't; can't
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A.
油类、油性混合物泄漏造成的海洋环境污染事故
B.
有毒有害物质泄漏造成的海洋环境污染事故
C.
油类泄漏造成的海洋环境污染事故
D.
油类、油性混合物和其他有毒有害物质泄漏造成的海洋环境污染事故
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